The Güralp Fortis is a strong motion accelerometer with an innovative, slim-line design for fast installation in any environment. For posthole deployments, the Fortis is also available in a stainless steel casing with 100 bar / 10 MPa waterproof connector.
Configuration / Topology: Triaxial orthogonal (ZNE)
Feedback: Force feedback.
Response: DC – 100Hz
Gain switch options: 4 g, 2 g, 1 g or 0.5 g
Clip level: 4.2 g
Peak / Full scale output: Three channels - ±20 V (40 V peak-to-peak) differential
Cross axis rejection: 0.001 g/g
Linearity: 0.1 % full scale
Lowest spurious resonance: >450 Hz
Self-noise below NHNM: > 0.07 Hz (14 seconds)
Dynamic range: > 160 dB
Calibration controls: Independent signal & enable lines exposed on sensor connector
Mass control / locking: Remote offset zeroing